Home / 118,190.72-163,094.80-66,515.36

Finding the Fourth Proportional to 118,190.72, 163,094.80 and 66,515.36

Calculator

Solution

The fourth proportional to 118,190.72, 163,094.80 and 66,515.36 is: 91,786.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,190.72 : 163,094.80 = 66,515.36 : x
  2. Step 2: Convert to fraction form
    118,190.72/163,094.80 = 66,515.36/x
  3. Step 3: Cross multiply
    118,190.72x = 163,094.80 × 66,515.36
  4. Step 4: Simplify right side
    118,190.72x = 10,848,309,336.13
  5. Step 5: Solve for x
    x = 10,848,309,336.13/118,190.72
  6. Step 6: Final answer
    x = 91,786.47

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.